{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950596,-0.310431,0.000000,0.000000,0.173607,-0.531614,0.829004,0.000000,-0.256806,0.786386,0.561825,0.000000,-1639678.132585,5020986.034545,3563175.594568,1],    "boundingVolume": {    "region": [1.886394,0.596541,1.886492,0.596640,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1392023.b3dm"}}}